h,w = map(int,input().split())
for j in range(h):
  t = list(input())
  i = 0
  while i < w-5:
    #print("".join(t[i:i+6]))
    if "".join(t[i:i+6])=="yiwiy9":
      t[i+4] = "Y"
      i += 6
    elif "".join(t[i:i+6])=="9yiwiy":
      t[i+1] = "Y"
      i += 6
    else:
      i += 1
  print("".join(t))